Glass block spacer



FIG. 1 is a front perspective view of the glass block spacer showing my design in use;

FIG. 2 is a fragmentary perspective view of the glass block spacer of my design;

FIG. 3 is a front elevational view thereof on an enlarged scale;

FIG. 4 is a rear elevational view thereof on an enlarged scale;

FIG. 5 is a fragmentary right side elevational view thereof on an enlarged scale;

FIG. 6 is a fragmentary left side elevational view thereof on an enlarged scale;

FIG. 7 is a fragmentary top plan view thereof on an enlarged scale; and,

FIG. 8 is a fragmentary bottom plan view thereof on an enlarged scale.

The broken lines showing environment in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a glass block spacer, substantially as shown and described. 